Soldering apparatus



UNITED STATES PATENT OFFICE.

ALFRED S. MUNGER, OF BROOKLYN, NEW YORK.

SOLDERING APPARATUS.

SPECIFICATION formingpart of Letters Patent No. 250,381, dated December6, 1881.

Application filed March 22, 1881.

To all whom it may concern Be it known that I, ALFRED S. MUNGER, ofBrooklyn,in the county of Kings and State of New York, have inventedcertain Improvements in Soldering Apparatus, of which the following is aspecification.

This .invention relates to that class of soldering apparatus in whichthe joint to be soldered is dipped into molten solder contained in aheated reservoir or pan, the object of said invention being to insure aneconomical, uniform, and equable distribution ofheat throughout saidreservoir or pan, in order that the soldering action may be uniform andsimultaneous at all parts of the joint when dipped as aforesaid. Thesaid invention comprises certain novel combinations of parts wherebysaid object is effectually secured.

Figure 1 is a vertical sectional view of a soldering apparatus embracingmy said invention, and Fig. 2 is a horizontal sectionalview of the same,taken in the line at 00 of Fig. 1.

A is the shell of a heating-furnace, of which a is the top and b ahorizontal partition or diaphragm, the latter being formed with one ormore openings, 0, around each of which is preferably provided anupwardly-extendin g flange, (1. Below each of the openings 0 is aburner, B, which is constructed for the burning of naphtha or otherfluid hydrocarbon oils, and which may be of any suitable construction. Iprefer, however, to use the liquid-hydrocarbon burner shown anddescribed in my separate application for Letters Patent filed of evendate with this.

Underneath each burner B is a flash-pan, 0, so termed, and the use ofwhich is to provide for heating the burners preparatory to ignition ofthe hydrocarbon oil supplied thereto, inasmuch as this, by warmingthehydrocarbon, renders the same capable of more effectual ignition. Asmall quantity of hydrocarbon being poured into each flash-pan and therekindled will by a brief blaze heat the adjacent burner to the requisitedegree, The shell A is formed with a radial flange, I), (or, in lieu ofthis, with radial studs for the same purpose,) in which arevertically-adjustable set-screws a, the lower ends of which rest upon abase, H, which latter has its edgesfturned upward, as shown more fullyin Fig. 1, in such manner as (No model.)

to constitute what may be termed a bottom drip-pan. The screws enablethe shell A and the parts carried thereby to be leveled upon thedrip-pan as upon a base, while the latter catches any drip of thehydrocarbon oils that may come from any part of the apparatus.

In the sides of the shell A are openings 9 to admit air to the burners.The space between the top a, and horizontal partition I) constitutes achamber, G, which, by means ofa partition, m, (which extends from thepartition I) up to the top a, around three sides of the shell A, and ata suitable distance therefrom,) is provided with a passage, N, at thethree sides, so that the products of combustion pass through theopenings 0 from the burners B, and pass into the chamber G, and thenfrom the central part, A, of said chamber into the passage N, and thenceto the outlet-flue 1". By this means the hot products of combustion arecaused to pass in contact with the under side of all parts of the topplate, and thereby heat the same uniformly throughout; and inasmuch assaid top plate of the furnace constitutes, as hereinafter described, thebottom of the pan or reservoir which holds the molten solder, it followsthat said reservoir or pan and the contents thereof are effectually anduniformly heated throughout their whole extent.

It is preferred that, in order that the circumference of the reservoiror pan, as well as the bottom thereof, may be heated by the action ofthe circulating hot products of combustion from the burner, the top a beformed with a circumferential rabbet or jog, n, which, being coincidentwith the space between the vertical partition m, as shown in Fig. 1, ineffect carries the passage N to a height coincident, or substantiallyso, with the upper part of the pan or reservoir D, which latterhas itssides formed by the inner sides of thejog or rabbetjustreferred to; inother words, the top a is so constructed that its hollow 0r concaveupper side constitutes the pan or reservoir, as shown in Fig. 1.

Supported in the pan or reservoir D by a short standard, w, is a rest,E, upon which the can is placed during the operation ofsoldering, theedges to be soldered, of the can or other like article, being extendeddownward around the edges of the rest E, in a manner Well understood inthe trade, and consequently needing no specific description here.

It will be observed that, from the relation of the horizontal diaphragmb to the burners and the chamber G, the heat and hot products ofcombustion are prevented from dispersing through any considerable spaceand from losi n g a part of their caloric, as would be the case if theywere directed simply into a large space, such as would exist if theaction of the heating arrangements were not modified by the po' sitionof the diaphragm.

What I claim as my invention is 1. The combination. in a solderingapparatus, of the chamber G, constructed with the diaphragm havingopenings 0, the partition m, arranged to provide a circulatory passageat the circumference of said chamber, one or more burners placed todischarge their heat and products of combustion through the openings 0to the chamber G, and the soldering pan or reservoir placed above thesaid chamber, suhstat" tially as and for the purpose herein set forth.

2. The combination of adjusting set-screws with the lugs or flangesformed on the shell A of the furnace and the bottom drip-pan, H, wherebythe apparatus may be adjusted to a level upon said drip-pan,substantially as and for the purpose herein set forth.

3. The organized apparatus for soldering, composed of the bottomdrip-pan, the adjustable shell A, one or more hydrocarbon-burners, B,one or more flash-pans, 0, the chamber Gr, having openings 0 andcirculating-passage N, and the pan or reservoir E for holding the moltensolder, all substantially as and for the purpose herein set forth.

ALFRED S. MUNGER.

Witnesses:

RoBER'r W. MATTHEWS, THOMAS E. GROSSMAN.

